stable/20.05 : lp:charm-nrpe : Git : Code : NRPE Charm

Get this branch:: git clone -b stable/20.05 https://git.launchpad.net/charm-nrpe

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Branch information

Create /etc/rsync-juju.d directory

rsyncd.conf depends on /etc/rsync-juju.d and if it's not present the
rsync service won't start.

Fixes LP: #1872827

Reviewed-on: https://code.launchpad.net/~freyes/charm-nrpe/+git/nrpe-charm/+merge/382340
Reviewed-by: Haw Loeung <email address hidden>
Reviewed-by: Xav Paice <email address hidden>

Don't install recommends, to avoid installing rpcbind LP#1873171

Also fix a found unrelated bug in how we call nproc.

Reviewed-on: https://code.launchpad.net/~barryprice/charm-nrpe/+git/nrpe-charm/+merge/382414
Reviewed-by: Junien Fridrick <email address hidden>
Reviewed-by: Tom Haddon <email address hidden>

Bugsquash

Actually, just don't install recommends for now

Force-remove rpcbind LP#1873171

Create /etc/rsync-juju.d directory

rsyncd.conf depends on /etc/rsync-juju.d and if it's not present the
rsync service won't start.

Fixes LP: #1872827

Pass a list to check_output()

Fixes FileNotFoundError: [Errno 2] No such file or directory:
'nproc --all': 'nproc --all'

Calculate the automatic load threshold on the basis of all available cpus

Using nproc --all instead of plain nrpe allows us to consider both
isolated and non-isolated cpus

Closes-Bug: #1870602

Merge branch 'bug/1742669'

Add NRPE check for readonly filesystems

Adds check_ro_filesystem check, looping all filesystems and alerting
CRITICAL if they're readonly. Only applies to non-container units.

Closes-Bug: #1824882

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